Use identities to find the exact value of the function for the given value.cos ? = 
and ? is in quadrant IV; Find sin ?.
A. 
B. 
C. 
D. - 
Answer: D
Mathematics
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Simplify.
A. 
B. 
C. 
D. 
Mathematics
Identify and graph the polar equation.r = 4 - 3 cos ? 
A. 
limacon with inner loop
B. 
limacon without inner loop
C. 
limacon with inner loop
D. 
limacon without inner loop
Mathematics
Solve the problem.The polynomial function L(p) = p3 - 5p2 + 20 gives the rate of gas leakage from a tank as pressure increases in p units from its initial setting. Will an increase of 
result in a lower rate of leakage compared to the initial setting?
A. Yes B. No
Mathematics
Convert the measure to its alternate U.S. or metric form. Write improper fractions as mixed numbers for U.S. measures and as decimals for metric measures.Convert 66.5 liters to gallons.
A. 2
gallons
B. 17
gallons
C. 17 gallons
D. 21 gallons
Mathematics